2-(Bromomethyl)-3-cyano-4-(trifluoromethoxy)pyridine
5-Cyano-2-nitro-4-(trifluoromethoxy)pyridine
4-Cyano-5-nitro-2-(trifluoromethoxy)pyridine
4-Cyano-3-nitro-2-(trifluoromethoxy)pyridine
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